﻿/****************************************************************************************************
	Copyright (C) 2010 RapidWebDev Organization (http://rapidwebdev.org)
	Author: Eunge, Legal Name: Jian Liu, Email: eunge.liu@RapidWebDev.org

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 2 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ****************************************************************************************************/

using System;
using System.Configuration;
using System.Data;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using BaoJianSoft.Common.Properties;

namespace BaoJianSoft.Common.Data
{
    /// <summary>
    /// Database connection factory
    /// </summary>
    public static class DbConnectionFactory
    {
        /// <summary>
        /// Create IDbConnection instance in specified type connectionTypeName.
        /// </summary>
        /// <param name="connectionTypeName">connection type assembly aualified name.</param>
        /// <param name="connectionStringName">connection string section name.</param>
        /// <returns></returns>
        public static IDbConnection Create(string connectionTypeName, string connectionStringName)
        {
            Type connectionType = Type.GetType(connectionTypeName);
            if (connectionType == null)
            {
                throw new NotSupportedException(string.Format(Resources.ConnectionTypeNotFound, connectionTypeName));
            }

            IDbConnection connection = Activator.CreateInstance(connectionType) as IDbConnection;
            if (connection == null)
            {
                throw new NotSupportedException(string.Format(Resources.ConnectionTypeInvalidIDbConnectionType, connectionTypeName));
            }

            connection.ConnectionString = ConfigurationManager.ConnectionStrings[connectionStringName].ConnectionString;
            return connection;
        }
    }
}

